North Korea has taken two Musudan missiles off launch-ready status and moved them from their position on the country's east coast, a US official told Reuters.
The official said the United States does not believe the missiles were moved to an alternate launch site and were instead in a non-operational location.
More top news
Ashley Yates, 45, used a spy pen hidden inside school bathrooms to film pupils at a primary school.
Joshua Clements stabbed two 19-year-olds while 4,000 people were gathered at the royal park.
The vessel was spotted off the Kent coast at around 5.40am on Thursday.